Initial Server Setup with Ubuntu 14.04 server
$ adduser admin_user_name
$ gpasswd -a admin_user_name sudo
https://www.digitalocean.com/community/tutorials/initial-server-setup-with-ubuntu-14-04
$ adduser admin_user_name
$ gpasswd -a admin_user_name sudo
https://www.digitalocean.com/community/tutorials/initial-server-setup-with-ubuntu-14-04